Percentage Calculator
Calculate percentages instantly with our free online tool. Find what percentage one number is of another, or calculate a percentage of a number. Perfect for business calculations, financial analysis, and everyday use.
Percentage Calculator
What percentage is X of Y?
is what percent of
What is X% of Y?
What is
% of
Understanding Percentages and Their Applications
What is a Percentage?
A percentage is a way to express a number as a fraction of 100. It's represented by the symbol "%" and is used to:
- Compare proportions
- Calculate discounts and sales
- Measure growth or decline
- Express probabilities
- Calculate interest rates
Common Percentage Calculations
- Percentage Increase - Calculate how much a value has increased
- Percentage Decrease - Determine how much a value has decreased
- Percentage of Total - Find what portion one number is of another
- Percentage Change - Measure the relative change between two values
Real-World Applications
- Business & Finance
- Profit margins
- Sales tax calculations
- Investment returns
- Budget allocations
- Education
- Grade calculations
- Test scores
- Attendance rates
- Statistics
- Population growth
- Survey results
- Data analysis
Tips for Percentage Calculations
- To find X% of Y, multiply Y by (X/100)
- To find what percentage X is of Y, divide X by Y and multiply by 100
- For percentage increase/decrease, use: ((New - Old) / Old) × 100
- Always check if your answer makes sense in context
Did you know?
The word "percentage" comes from the Latin "per centum," meaning "by the hundred." The % symbol evolved from the Italian "per cento" (per hundred) and was first used in the 15th century.
The word "percentage" comes from the Latin "per centum," meaning "by the hundred." The % symbol evolved from the Italian "per cento" (per hundred) and was first used in the 15th century.